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October 17, 2025The Saudi Dental JournalOpen Access

Effect of extrinsic and intrinsic factors on colour stability of 3D-printed, thermoplastic, and conventional resin materials: an in vitro study

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Authors

ATAzita Mazaheri TehraniAZArash ZarbakhshASAlireza Shafigh

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Overview

In vitro study compares colour stability of 3D-printed, thermoplastic, and resin materials, suggesting external factors greatly affect outcomes.

Key Points

  • Significant colour changes were noted in all materials after exposure to coffee thermocycling, indicating the effect of extrinsic factors.
  • ProBase Hot displayed the lowest colour change among the materials tested, suggesting it has superior colour stability.
  • The control group experienced minimal colour change, highlighting the negligible impact of intrinsic factors like saliva on colour stability.
  • Overall, coffee thermocycling severely impacted colour stability, emphasizing the importance of material selection in occlusal device aesthetics.

Cite This Study

Tehrani et al. (2025) studied this question.

synapsesocial.com/papers/68f19f1ade32064e504dd8f6https://doi.org/10.1007/s44445-025-00071-6
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Color Stability of 3D-Printed Dental Resins Following Different Surface Treatments2026 · 3 citations
  2. 2Chromatic Stability of Three Photopolymerizable Resins for Additive Manufacturing Following Immersion in Artificial Saliva: A Comparative Spectrophotometric Analysis2026
  3. 3Effect of aging on dimensional accuracy and color stability of CAD-CAM milled and 3D-printed denture base resins: a comparative in-vitro study2024 · 19 citations
  4. 4Color stability of CAD/CAM and additively manufactured resin materials: influence of surface treatment and layer thickness - an in vitro study2026
  5. 5Influence of Acidic Storage and Simulated Toothbrushing on the Translucency and Color Stability of 3D-Printed Resins for Prosthodontic Applications2025